29- Which of the following is not considered a microorganism A- mosqui.docx
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29. Which of the following is not considered a microorganism A. mosquito B. protozoa C. bacteria D. viruses 30. The transfer of genes during bacterial conjugation involves rigid, tubular appendages called A. flagella B. cilia C. fimbriae D. pili 31. Rod shaped bacteria arranged in a chain are known as A. spirochetes B. spirilla C. streptobacilli D. coccus 32. Which of the following statements about protozoans is false? a) They are unicellular eukaryotes that demonstrate animal-like characteristics in both food consumption and motility. b) They only enter into parasitic relationships with a host. c) They have cellular features like flagella, cilia and pseudopodia that help attain food and aid movement. d) They may have complex life cycles alternating between cyst and trophozoite stages. 33. Which description(s) is(are) true of algae? a) They are all singled celled organisms. b) They are found in only saltwater habitats. c) The oxygen gas produced and exported by these photosynthetic microbes makes life possible for all organisms using aerobic respiration. d) Numerous pathogens are classified as algae. 34. Which of the following is a tenet of the Cell Theory? 1) All organisms are composed of one or more cells. 2) The cell is the structural unit of life. 3) Cells can arise only by division from a preexisting cell. 4) Cells divide only by fission. a) 1 b) 2 c) 3 d) 4 e) 1,2 and 3 35. The structure of the plasma membrane is most appropriately described as a) a thick peptidoglycan layer with lipoteichoic acid b) a phospholipid bilayer with proteins c) a semi-permeable monolayer with phosphate groups d) a thin murien layer with high amino acid content .
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BSC1005 Biology General Chapter 6 1 Chapter 6 Cel.docx
BSC1005 Biology General
Chapter 6
1
Chapter 6: Cell Energy, Transport and Enzymes
1) Many of the enzymes that control a deep-sea firefly squid's ability to produce light energy from chemical energy are located
A) in membranes.
B) in the nucleus.
C) within chloroplasts.
D) outside of cells.
E) within mitochondria.
2) The fluid mosaic model describes the plasma membrane as consisting of
A) a phospholipid bilayer with embedded carbohydrates.
B) two layers of phospholipids with protein sandwiched between them.
C) a protein bilayer with embedded phospholipids.
D) carbohydrates, proteins, and phospholipids that can drift in the membrane.
E) individual proteins and phospholipids that can drift in a phospholipid bilayer.
3) Membrane phospholipids
A) have hydrophobic heads that face the center of the membrane and are shielded from water.
B) have hydrophilic tails that face outward and are exposed to water.
C) often have "kinks" in their tails caused by the presence of a double bond between carbons.
D) remain fluid because they are tightly packed against one another.
E) form impermeable layers for cells.
4) The cholesterol associated with animal cell membranes
A) is attached to membrane proteins and extends into the watery environment surrounding the cell.
B) helps to stabilize the cell membrane at body temperature.
C) makes the cell membrane fluid at room temperature.
D) is an abnormality resulting from a diet high in cholesterol.
E) helps solidify the membranes when the room temperature is below freezing.
5) A major function of glycoproteins and glycolipids in the cell membrane is to
A) glue cells together to form tissues.
B) allow the cells of an embryo to sort themselves into tissues and organs.
C) attach the cell membrane to the cytoskeleton.
D) help the cell resist swelling.
E) help the cell retain its shape.
6) When physicians perform an organ transplant, they choose a donor whose tissues match those of the recipient as closely as
possible. Which of the following cell components are being matched?
A) plasma membrane phospholipids
B) plasma membrane proteins
C) cell-surface carbohydrates
D) plasma membrane cholesterols
E) cytoskeletal elements
7) Most of the functions of a cell membrane are performed by
A) glycolipids.
B) proteins.
C) phospholipids.
D) cholesterol.
E) nucleotides.
BSC1005 Biology General
Chapter 6
2
9) Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell is called
A) signal transduction.
B) inhibition.
C) competition.
D) self-recognition.
E) selective permeability.
10) Plasma membranes are selectively permeable. This means that
A) anything can pass into or out of a cell as long as the membrane is intact and the cell is healthy.
B) the plasma membrane allows some substances to enter or leave a cell more easily than others.
C) glucose cannot ...
21- What are arbuscles- a- sexual structures of basidiomycetes b- sexu.pdf
21. What are arbuscles? a. sexual structures of basidiomycetes b. sexual structures of
ascomycetes c. symbiotic structures found in many lichens d. parasitic structures e. none of the
above 22. In which group would you expect budding cells? a. Ascomycota b. Basidiomycota c.
Zygomycota d. Glomeromucata e. all of the above 23. What is one of the main differences
between mosses and ferns? a. In mosses, the gametophyte dominates. b. In mosses, the
sporophyte dominates. c. In ferns, the two generations remain fused together. d. Ferns have a
protonema stage. e. Moss sperms from the male gametophyte have to swim to the female
gametophyte. 24. What do conifers have? a. pollen, but no seeds b. embryos but no microspores
c. seeds but no fruits d. cones but no ovules e. none of the above 25. Which of the following is
not correct for mosses? a. They have an alternation of generations. b. They are vascular plants. c.
The gametophyte is the dominant generation. d. The gametophyte develops from a protonema. e.
Female gametophytes produce archegonia. 26. Anthers are found in which of the following
groups? a. monocots b. mosses c. ferns d. Svcadaphyta e. all of the above 27. Which of the
following groups have vascular tissue? a. monocots b. horsetails c. ferns d. Gveadaphyta e. all of
the above 28. Which of the following would you expect to find in an octopus? a. The mouth
forms after the blastopore develops into the anus. b. radial cleavage c. There is no mesoderm d.
determinate cleavage e. an incomplete digestive system 29. In which group would you expect to
find a medusa stage? a. Polychaeta b. Cnidaria c. centipedes d. Gastropoda e. tapeworms 30.
Which characters are shared by echinoderms and corals? a. no excretory system b. radial
symmetry c. no respiratory system d. no head e. all of the above 31. Most animals are a. both
triploblastic and with bilateral symmetry. b. both triploblastic and with radial symmetry. c. both
diploblastic and with radial symmetry. d. both diploblastic and with bilateral symmetry. e. none
of the above 32. Protostomes have both a. radial and spiral cleavage. b. determinate and spiral
cleavage. c. determinate and radial cleavage. d. indeterminate and spiral cleavage. e. triploblastic
and radial cleavage. 33. Which of the following would you not find in insects? a. Malpighian
tubules b. two pairs of antennae c. compound eyes d. a tracheal system e. an open circulatory
system 34. Spiders differ from insects by having a. segmentation b. an open circulatory system c.
an abdomen d. an exoskeleton e. book lungs 35. What is the gas exchange system in insects
called? a. Malpighian tubules b. book lungs c. external gills d. tracheal system e. complete
metamorphosis 36. Insects have the same number of antennae as a. spiders b. millipedes c.
centipedes d. crustaceans e. both b and c 37. Which arthropod groups have more legs than
insects? a. spiders b. crustaceans c. centipedes d. millipedes e. all of the above 38. In order to
become fully .
BIOL 101 EXAM The following general directions apply to thi.docx
BIOL 101 EXAM
The following general directions apply to this exam: This exam is worth a total of 125 points. Multiple choice questions #1-50 are worth 1 point each. Multiple choice questions #51-57 are worth 2 points each. Choose 6 of 7 essay questions #58-64, which are worth 10 points each. Please provide answers on the answer sheets provided at the end of the exam. I recommend that you print out the exam, answer the questions, then copy the answers onto the answer sheets. Please submit only the answer sheets into your assignment folder
GOOD LUCK! Thanks for taking the course,
********************************************************************** MULTIPLE CHOICE QUESTIONS – 1 POINT EACH – 50 POINTS TOTAL: On the answer sheet, indicate the letter that represents the best answer to each of the multiple choice questions below.
1. In science, a hypothesis must be A) a known fact B) testable C) derived from a theory
D) able to be proven absolutely true
2. Which of the following includes all the others?
A) atom B) cell C) organism D) ecosystem
3. A carbon atom of mass number 12 and a carbon atom of mass number 14 are
A) covalent B) compounds C) ions D) isotopes
4. A chlorine atom has 17 protons, 18 neutrons, and 17 electrons. The atomic number of
chlorine isA) 8 B) 17 C) 35 D) 52
5. If you place the probe of a pH meter in lye or sodium hydroxide (NaOH), it will read
pH 14. Sodium hydroxide is A) an acid B) neutralC) a base
6. This polysaccharide forms fibers that are a major component of plant cell walls:
A) glucose B) starch C) cellulose D) glycogen
7. Glycerol is a building block of A) starch B) enzymes C) vegetable oil D) DNA
8. Which of these types of molecules contain nitrogen?
A) polysaccharides B) proteins C) steroids
9. Prokaryotic cells, with no nucleus or membranous organelles, are found in
A) animals B) bacteria C) fungi D) plants
10. The main function of a ribosome is to A) extract energy from glucose
B) synthesize glucose C) store food in the form of fat
D) synthesize proteins
11. Mitochondria A) package proteins for secretion from cell B) contain chromosomes
C) are sites of oxidation of glucose to generate ATP D) synthesize proteins
12. The plasma membrane consists of A) a single layer of phospholipid molecules
B) a double layer of phospholipid molecules in which proteins are embedded
C) several layers of protein and carbohydrate molecules
D) a triple layer of phospholipids and carbohydrates
13. The movement of molecules from a region of low concentration across a membrane
to a region of high concentration by use of ATP energy is A) active transport
B)diffusion C) passive transport D) osmosis
14. The oxygen in our atmosphere is produced by A) greenhouse effect
B) cellular respiration C) photosynthesis D) volcanic ...
1. Based on molecular evidence, fungi were present on land at least a.pdf
1. Based on molecular evidence, fungi were present on land at least a. 1 billion years ago. b. 500
million years ago. c, 250 million years ago. d. 125 million years ago. e. 10 million years ago.
2.The study of fungi is called a. ecology b. botany c. mycology d. microbiology e. parasitology
3. Yeast are a. single-celled fungi. b. multicellular plants. c. single-celled plants. d. single-celled
protists. e. multicellular fung 4. The substance that typically provides rigidity to fungal cell
walls, and is found in some animals, is a. lignin b. cellulose c. starch d. collagen e. chitin 5. All
fungi can reproduce via a. asci b. fruiting bodies C. spores d. conidia e. basidia 6. Mating types
in fungi are generally termed a. sperm and eggs. b. Band B. c. male and female. d. plus and
minus. e. Fungi do not have specific mating types.
Solution
(1) b. 500 million years ago
(2) c. Mycology
(3) a. single-celled fungi
(4)e. chitin
(5)c. spores
(6)e. fungi do not have specific mating types
Fungal reproduction can be sexual, asexual or both..
BRCC BIOL 121 FINAL .docx
BRCC BIOL 121 FINAL SPRING 2015
1. E coli is a shortened name for a bacterium that lives in our gut. According to the rules of binomial nomenclature it is properly written as _______________.
a. Escherichia COLI
b. Escherichia Coli
c. Escherichia coli
d. escherichia coli
e. escherichia coli
2. What does the term “biodiversity” refer to in the field of biology?
a. Total number of species on earth
b. Genetic variation that exists within populations all of the earth’s species
c. Total number of Earth’s ecosystems
d. All of the above are correct
3. Prokaryotic cells are classified in Domain(s) _______
a. Archaea
b. Bacteria
c. Eukarya
d. Archaea and Bacteria
e. Archaea, Bacteria and Eukarya
4.
4. The shape of this bacterium is __________ and the attachment filaments radiating out are called_________
a. bacillus…………. flagella
b. coccus……………cilia
c. spirilla…………..pili
d. bacillus………… pili
e. vibrio…………….cilia
5. A certain bacterium can withstand heating, drying and toxic chemicals that would kill most other bacteria. This indicates that it is probably able to form a __________
a. Pseudopodia
b. Conjugation tube
c. Endospore
d. Flagellum
e. Endotoxins
6.What ecological role is played by cyanobacteria ?
a. photosynthetic producers that make sugar and pump oxygen into the atmosphere
b. decomposers of dead leaves and dead animals
c. chemosynthetic producers
d pathogens of plants and animals
e. predators of other bacteria
6.
7. The term phytoplankton applies to photosynthetic, microscopic floating organisms such as________
a. Protozoan ciliates and flagellates
b. Aquatic plants
c. Dinoflagellates, diatoms and some unicellular or colonial green algae
d. Macroalgae and seaweeds
e. Fungus like protists such as slime molds
8. Which of the following statements is false?
a. Most protists are aquatic.
b. Protists are eukaryotes.
c. Most protists are unicellular.
d. Protists have more complex cells than prokaryotes.
e. Photosynthetic protists are called protozoa.
9.
9. Which of the following structures is used by amoebas to move and to eat?
a. microvilli
b. cilia
c. flagella
d. pseudopodia
e. tendrils
10. Into what kingdom do we place multicellular heterotrophic eukaryotes that acquire food by absorption from the environment and have cell walls made of chitin?
a. Plantae
b. Animalia
c. Protista
d. Fungi
e. Proteobacteria
11.
11. (See image to the left) A fungus surrounding a root absorbs food from the plant and in turn this fungus provides water and minerals to the plant. This is a _________ relationship?
a. parasitic
b. commensalistic
c. predatorial
d. mutualistic
e. competitive
12. (See image above). A fungus growing together with a plant root in a way that benefits both is
a(n)_______
a. Lichen
b. Epiphyte
c. Mycorrhizae
d. Hemiparasite
e. Halophyte
13. Which group shares the most recent common ancestor with land plants?
a. Fungi
b. Cy ...
Recommended
BSC1005 Biology General Chapter 6 1 Chapter 6 Cel.docx
BSC1005 Biology General
Chapter 6
1
Chapter 6: Cell Energy, Transport and Enzymes
1) Many of the enzymes that control a deep-sea firefly squid's ability to produce light energy from chemical energy are located
A) in membranes.
B) in the nucleus.
C) within chloroplasts.
D) outside of cells.
E) within mitochondria.
2) The fluid mosaic model describes the plasma membrane as consisting of
A) a phospholipid bilayer with embedded carbohydrates.
B) two layers of phospholipids with protein sandwiched between them.
C) a protein bilayer with embedded phospholipids.
D) carbohydrates, proteins, and phospholipids that can drift in the membrane.
E) individual proteins and phospholipids that can drift in a phospholipid bilayer.
3) Membrane phospholipids
A) have hydrophobic heads that face the center of the membrane and are shielded from water.
B) have hydrophilic tails that face outward and are exposed to water.
C) often have "kinks" in their tails caused by the presence of a double bond between carbons.
D) remain fluid because they are tightly packed against one another.
E) form impermeable layers for cells.
4) The cholesterol associated with animal cell membranes
A) is attached to membrane proteins and extends into the watery environment surrounding the cell.
B) helps to stabilize the cell membrane at body temperature.
C) makes the cell membrane fluid at room temperature.
D) is an abnormality resulting from a diet high in cholesterol.
E) helps solidify the membranes when the room temperature is below freezing.
5) A major function of glycoproteins and glycolipids in the cell membrane is to
A) glue cells together to form tissues.
B) allow the cells of an embryo to sort themselves into tissues and organs.
C) attach the cell membrane to the cytoskeleton.
D) help the cell resist swelling.
E) help the cell retain its shape.
6) When physicians perform an organ transplant, they choose a donor whose tissues match those of the recipient as closely as
possible. Which of the following cell components are being matched?
A) plasma membrane phospholipids
B) plasma membrane proteins
C) cell-surface carbohydrates
D) plasma membrane cholesterols
E) cytoskeletal elements
7) Most of the functions of a cell membrane are performed by
A) glycolipids.
B) proteins.
C) phospholipids.
D) cholesterol.
E) nucleotides.
BSC1005 Biology General
Chapter 6
2
9) Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell is called
A) signal transduction.
B) inhibition.
C) competition.
D) self-recognition.
E) selective permeability.
10) Plasma membranes are selectively permeable. This means that
A) anything can pass into or out of a cell as long as the membrane is intact and the cell is healthy.
B) the plasma membrane allows some substances to enter or leave a cell more easily than others.
C) glucose cannot ...
21- What are arbuscles- a- sexual structures of basidiomycetes b- sexu.pdf
21. What are arbuscles? a. sexual structures of basidiomycetes b. sexual structures of
ascomycetes c. symbiotic structures found in many lichens d. parasitic structures e. none of the
above 22. In which group would you expect budding cells? a. Ascomycota b. Basidiomycota c.
Zygomycota d. Glomeromucata e. all of the above 23. What is one of the main differences
between mosses and ferns? a. In mosses, the gametophyte dominates. b. In mosses, the
sporophyte dominates. c. In ferns, the two generations remain fused together. d. Ferns have a
protonema stage. e. Moss sperms from the male gametophyte have to swim to the female
gametophyte. 24. What do conifers have? a. pollen, but no seeds b. embryos but no microspores
c. seeds but no fruits d. cones but no ovules e. none of the above 25. Which of the following is
not correct for mosses? a. They have an alternation of generations. b. They are vascular plants. c.
The gametophyte is the dominant generation. d. The gametophyte develops from a protonema. e.
Female gametophytes produce archegonia. 26. Anthers are found in which of the following
groups? a. monocots b. mosses c. ferns d. Svcadaphyta e. all of the above 27. Which of the
following groups have vascular tissue? a. monocots b. horsetails c. ferns d. Gveadaphyta e. all of
the above 28. Which of the following would you expect to find in an octopus? a. The mouth
forms after the blastopore develops into the anus. b. radial cleavage c. There is no mesoderm d.
determinate cleavage e. an incomplete digestive system 29. In which group would you expect to
find a medusa stage? a. Polychaeta b. Cnidaria c. centipedes d. Gastropoda e. tapeworms 30.
Which characters are shared by echinoderms and corals? a. no excretory system b. radial
symmetry c. no respiratory system d. no head e. all of the above 31. Most animals are a. both
triploblastic and with bilateral symmetry. b. both triploblastic and with radial symmetry. c. both
diploblastic and with radial symmetry. d. both diploblastic and with bilateral symmetry. e. none
of the above 32. Protostomes have both a. radial and spiral cleavage. b. determinate and spiral
cleavage. c. determinate and radial cleavage. d. indeterminate and spiral cleavage. e. triploblastic
and radial cleavage. 33. Which of the following would you not find in insects? a. Malpighian
tubules b. two pairs of antennae c. compound eyes d. a tracheal system e. an open circulatory
system 34. Spiders differ from insects by having a. segmentation b. an open circulatory system c.
an abdomen d. an exoskeleton e. book lungs 35. What is the gas exchange system in insects
called? a. Malpighian tubules b. book lungs c. external gills d. tracheal system e. complete
metamorphosis 36. Insects have the same number of antennae as a. spiders b. millipedes c.
centipedes d. crustaceans e. both b and c 37. Which arthropod groups have more legs than
insects? a. spiders b. crustaceans c. centipedes d. millipedes e. all of the above 38. In order to
become fully .
BIOL 101 EXAM The following general directions apply to thi.docx
BIOL 101 EXAM
The following general directions apply to this exam: This exam is worth a total of 125 points. Multiple choice questions #1-50 are worth 1 point each. Multiple choice questions #51-57 are worth 2 points each. Choose 6 of 7 essay questions #58-64, which are worth 10 points each. Please provide answers on the answer sheets provided at the end of the exam. I recommend that you print out the exam, answer the questions, then copy the answers onto the answer sheets. Please submit only the answer sheets into your assignment folder
GOOD LUCK! Thanks for taking the course,
********************************************************************** MULTIPLE CHOICE QUESTIONS – 1 POINT EACH – 50 POINTS TOTAL: On the answer sheet, indicate the letter that represents the best answer to each of the multiple choice questions below.
1. In science, a hypothesis must be A) a known fact B) testable C) derived from a theory
D) able to be proven absolutely true
2. Which of the following includes all the others?
A) atom B) cell C) organism D) ecosystem
3. A carbon atom of mass number 12 and a carbon atom of mass number 14 are
A) covalent B) compounds C) ions D) isotopes
4. A chlorine atom has 17 protons, 18 neutrons, and 17 electrons. The atomic number of
chlorine isA) 8 B) 17 C) 35 D) 52
5. If you place the probe of a pH meter in lye or sodium hydroxide (NaOH), it will read
pH 14. Sodium hydroxide is A) an acid B) neutralC) a base
6. This polysaccharide forms fibers that are a major component of plant cell walls:
A) glucose B) starch C) cellulose D) glycogen
7. Glycerol is a building block of A) starch B) enzymes C) vegetable oil D) DNA
8. Which of these types of molecules contain nitrogen?
A) polysaccharides B) proteins C) steroids
9. Prokaryotic cells, with no nucleus or membranous organelles, are found in
A) animals B) bacteria C) fungi D) plants
10. The main function of a ribosome is to A) extract energy from glucose
B) synthesize glucose C) store food in the form of fat
D) synthesize proteins
11. Mitochondria A) package proteins for secretion from cell B) contain chromosomes
C) are sites of oxidation of glucose to generate ATP D) synthesize proteins
12. The plasma membrane consists of A) a single layer of phospholipid molecules
B) a double layer of phospholipid molecules in which proteins are embedded
C) several layers of protein and carbohydrate molecules
D) a triple layer of phospholipids and carbohydrates
13. The movement of molecules from a region of low concentration across a membrane
to a region of high concentration by use of ATP energy is A) active transport
B)diffusion C) passive transport D) osmosis
14. The oxygen in our atmosphere is produced by A) greenhouse effect
B) cellular respiration C) photosynthesis D) volcanic ...
1. Based on molecular evidence, fungi were present on land at least a.pdf
1. Based on molecular evidence, fungi were present on land at least a. 1 billion years ago. b. 500
million years ago. c, 250 million years ago. d. 125 million years ago. e. 10 million years ago.
2.The study of fungi is called a. ecology b. botany c. mycology d. microbiology e. parasitology
3. Yeast are a. single-celled fungi. b. multicellular plants. c. single-celled plants. d. single-celled
protists. e. multicellular fung 4. The substance that typically provides rigidity to fungal cell
walls, and is found in some animals, is a. lignin b. cellulose c. starch d. collagen e. chitin 5. All
fungi can reproduce via a. asci b. fruiting bodies C. spores d. conidia e. basidia 6. Mating types
in fungi are generally termed a. sperm and eggs. b. Band B. c. male and female. d. plus and
minus. e. Fungi do not have specific mating types.
Solution
(1) b. 500 million years ago
(2) c. Mycology
(3) a. single-celled fungi
(4)e. chitin
(5)c. spores
(6)e. fungi do not have specific mating types
Fungal reproduction can be sexual, asexual or both..
BRCC BIOL 121 FINAL .docx
BRCC BIOL 121 FINAL SPRING 2015
1. E coli is a shortened name for a bacterium that lives in our gut. According to the rules of binomial nomenclature it is properly written as _______________.
a. Escherichia COLI
b. Escherichia Coli
c. Escherichia coli
d. escherichia coli
e. escherichia coli
2. What does the term “biodiversity” refer to in the field of biology?
a. Total number of species on earth
b. Genetic variation that exists within populations all of the earth’s species
c. Total number of Earth’s ecosystems
d. All of the above are correct
3. Prokaryotic cells are classified in Domain(s) _______
a. Archaea
b. Bacteria
c. Eukarya
d. Archaea and Bacteria
e. Archaea, Bacteria and Eukarya
4.
4. The shape of this bacterium is __________ and the attachment filaments radiating out are called_________
a. bacillus…………. flagella
b. coccus……………cilia
c. spirilla…………..pili
d. bacillus………… pili
e. vibrio…………….cilia
5. A certain bacterium can withstand heating, drying and toxic chemicals that would kill most other bacteria. This indicates that it is probably able to form a __________
a. Pseudopodia
b. Conjugation tube
c. Endospore
d. Flagellum
e. Endotoxins
6.What ecological role is played by cyanobacteria ?
a. photosynthetic producers that make sugar and pump oxygen into the atmosphere
b. decomposers of dead leaves and dead animals
c. chemosynthetic producers
d pathogens of plants and animals
e. predators of other bacteria
6.
7. The term phytoplankton applies to photosynthetic, microscopic floating organisms such as________
a. Protozoan ciliates and flagellates
b. Aquatic plants
c. Dinoflagellates, diatoms and some unicellular or colonial green algae
d. Macroalgae and seaweeds
e. Fungus like protists such as slime molds
8. Which of the following statements is false?
a. Most protists are aquatic.
b. Protists are eukaryotes.
c. Most protists are unicellular.
d. Protists have more complex cells than prokaryotes.
e. Photosynthetic protists are called protozoa.
9.
9. Which of the following structures is used by amoebas to move and to eat?
a. microvilli
b. cilia
c. flagella
d. pseudopodia
e. tendrils
10. Into what kingdom do we place multicellular heterotrophic eukaryotes that acquire food by absorption from the environment and have cell walls made of chitin?
a. Plantae
b. Animalia
c. Protista
d. Fungi
e. Proteobacteria
11.
11. (See image to the left) A fungus surrounding a root absorbs food from the plant and in turn this fungus provides water and minerals to the plant. This is a _________ relationship?
a. parasitic
b. commensalistic
c. predatorial
d. mutualistic
e. competitive
12. (See image above). A fungus growing together with a plant root in a way that benefits both is
a(n)_______
a. Lichen
b. Epiphyte
c. Mycorrhizae
d. Hemiparasite
e. Halophyte
13. Which group shares the most recent common ancestor with land plants?
a. Fungi
b. Cy ...
BRCC BIOL 121 FINAL SPRING 20151. E coli is a shortened name for.docx
BRCC BIOL 121 FINAL SPRING 2015
1. E coli is a shortened name for a bacterium that lives in our gut. According to the rules of binomial nomenclature it is properly written as _______________.
a. Escherichia COLI
b. Escherichia Coli
c. Escherichia coli
d. escherichia coli
e. escherichia coli
2. What does the term “biodiversity” refer to in the field of biology?
a. Total number of species on earth
b. Genetic variation that exists within populations all of the earth’s species
c. Total number of Earth’s ecosystems
d. All of the above are correct
3. Prokaryotic cells are classified in Domain(s) _______
a. Archaea
b. Bacteria
c. Eukarya
d. Archaea and Bacteria
e. Archaea, Bacteria and Eukarya
4. (
4. The shape of this bacterium is __________ and the attachment filaments radiating out are called_________
a
. bacillus…………. flagella
b
. coccus……………cilia
c.
spirilla
…………..
pili
d
. bacillus………… pili
e
. vibrio…………….cilia
)
5. A certain bacterium can withstand heating, drying and toxic chemicals that would kill most other bacteria. This indicates that it is probably able to form a __________
a. Pseudopodia
b. Conjugation tube
c. Endospore
d. Flagellum
e. Endotoxins
(
6.What
ecological role is played by cyanobacteria ?
a. photosynthetic
producers that make sugar and pump oxygen into the atmosphere
b
. decomposers of dead leaves and dead animals
c. chemosynthetic
producers
d
pathogens of plants and animals
e. predators
of other bacteria
)
6.
7. The term phytoplankton applies to photosynthetic, microscopic floating organisms such as________
a. Protozoan ciliates and flagellates
b. Aquatic plants
c. Dinoflagellates, diatoms and some unicellular or colonial green algae
d. Macroalgae and seaweeds
e. Fungus like protists such as slime molds
8. Which of the following statements is false?
a. Most protists are aquatic.
b. Protists are eukaryotes.
c. Most protists are unicellular.
d. Protists have more complex cells than prokaryotes.
e. Photosynthetic protists are called protozoa.
9. (
9. Which of the following structures is used by amoebas to move and to eat?
a. microvilli
b. cilia
c. flagella
d. pseudopodia
e. tendrils
)
10. Into what kingdom do we place multicellular heterotrophic eukaryotes that acquire food by absorption from the environment and have cell walls made of chitin?
a. Plantae
b. Animalia
c. Protista
d. Fungi
e. Proteobacteria
11. (
11.
(See image to the left)
A
fungus surrounding a root
absorbs food from the plant
and in turn this fungus
provides water and minerals to the plant. This is a _________ relationship?
a
. parasitic
b
.
commensalistic
c
.
predatorial
d
. mutualistic
e
. competitive
)
12. (See image above). A fungus growing together with a plant root in a way that benefits both is
a(n)_______
a. Lichen
b. Epiphyte
c. Mycorrhizae
d. Hemiparasite
e. Halophyte
13. Which group shares the most recent common ancestor with land plants?
a. Fungi
b. Cyanobacteria
c. Brown algae
d. Green a ...
Lehninger principles of biochemistry 7th edition nelson test bank
Lehninger principles of biochemistry 7th edition nelson test bank
SELF-TEST Amswi each af the follimins suesions by reiecting the ene an.pdf
SELF-TEST Amswi each af the follimins suesions by reiecting the ene andwer numbered
questien can be found it Appetaix C. 1. deicribes the ability of erganians to maintain a stable
internat state- A. Metabolise (4.) Hemesatasis C. Biospher D. Ecotype E. Kooe of the above ( A
D ) is qunict. 2. Which ene of the following shrases weuld rot apply to prokagyotes? A.
Progranmed aed death B. Multicellular communtitios C. Cell-orlt communication D. Cell
cooperation D. Nucleated cells 3. Froteins are made ty the A. mitochsodris. B. byosomes. C.
Golgi apparatus. D. ribosomes, E. cytotheleton. 4. Cell wads are necessary for A. nutrient
transport regulatioet B. DNA compartmentation. C. protein tracsport. D. enetgy metabolism. 6.
water balance. 5. Which one of the following is not foond in prokaryotic celis? A. Ceil menbeane
B. Ribosomes C. DNA 6. Mitochondria E. Cydoplasm 6. The two functions of the endoplasinic
reticulum are 6. protein and tigid transport. B. cell respiration and photesgetheric. C. osmotic
requlation and penetic control. D. cell respiration and protein pyothesis. - E. sorting and
packaging of proterins. 7. Mitochondria ciffer from chlocoplarts in that only mitochondria A.
carry aut photosynthesis: B. are meebrane-bouns, C. are found in the Eokarga. (b.) convert
chemical energy to cellular entrgy. E. transform sundiglt into chenical energy. 8. Who is
considered to be the father of modern taxonomy? A. Woese B. Whittaker C. Aristotle D.
Hacckef (9) Linnaeus 9. Waich one of the following is the correct genus name for the bac. terial
organisn that causes sypitilis? A. treponema B. pallidum (.) Treponeme D. pollidum E. T.
palliblum 10. Several classes of organisms would be classified into one A. family. B. genus, C.
species. D. order, (4) phylum (division)..
1 Which of the following statements best describes why deat.pdf
1. Which of the following statements best describes why death is a major event not only for the
human body but also for the resident microbes?
a. Microbial populations grow and spread to different areas of the body after the person dies.
b. Microbes in the body have fewer resources after the person dies, which increases competition.
c. All the microbes that were living inside the persons body die when the person dies.
2. Which of the following statements is true?
a. Microbial communities in and around a dead body change over time.
b. Samples taken from different dead bodies always contain the same microbes.
c. The microbial community found in a dead body is very similar to the one found in a living body.
3. What factors might contribute to a cadavers decomposition? Select all that apply.
a. skin
b. air
c. soil
d. insects What is a molecular clock?
5. Take a look at the graphs.
a) Can you say that the microbial composition changes over time in each of the body locations?
Give two pieces of evidence.
b) Why do you think the scientists also tested the soil around the cadaver?
c) The study was done with mice and their cadavers decomposed on soil graves in the University
of Colorado Transgenic Facility. Do you think the graphs would have looked different if the
decomposition events would have happened outside during the hot summer months? Explain..
Paleontologists have found fossils dating back 3.6 billion years. .docx
Paleontologists have found fossils dating back 3.6 billion years. These closely resemble
A.
small invertebrate animals.
B.
nothing alive today.
C.
fungi.
D.
today’s simplest plants.
E.
blue-green algae present today.
5 points
QUESTION 2
When taxonomists classify organisms using a phylogenetic approach, they are most concerned with
A.
outgroups.
B.
cladists.
C.
ingroups.
D.
ancestral traits.
E.
derived traits.
5 points
QUESTION 3
In bacteria, the cell wall is composed mainly of
A.
various polysaccharides.
B.
peptidoglycans.
C.
proteins.
D.
glycoproteins.
E.
lipids.
5 points
QUESTION 4
Which form of bacterial cells is rod shaped?
A.
cocci
B.
vibrios
C.
spirilla
D.
rhodius
E.
Bacilli
5 points
QUESTION 5
The endosymbiont hypothesis suggests that the mitochondria of eukaryotic cells are descended from captured
A.
cyanobacteria.
B.
eukaryotic algae.
C.
chemoautotrophic bacteria.
D.
archaebacteria.
E.
aerobic bacteria.
5 points
QUESTION 6
Eukaryotic cells are thought to have
A.
evolved before prokaryotic cells.
B.
appeared about 2.1 billion years ago.
C.
first appeared with tough cell walls.
D.
first appeared as parts of multicellular organisms.
E.
developed when mitochondria grew much larger in size that they had been previously.
5 points
QUESTION 7
What term is used to indicate a characteristic that is shared and inherited from a common ancestor?
A.
analogous trait
B.
homologous trait
C.
cladistic trait
D.
outgroups
E.
derived trait
5 points
QUESTION 8
Prions are composed of
A.
DNA, RNA, and protein.
B.
protein.
C.
DNA and protein.
D.
DNA.
E.
RNA.
5 points
QUESTION 9
Of the following, which kingdom contains the most diversity in terms of DNA sequences?
A.
All of these are approximately equivalently diverse.
B.
Protista
C.
Fungi
D.
Plantae
E.
Animalia
5 points
QUESTION 10
Atmospheric chemists think that Earth’s first atmosphere
A.
contained no oxygen atoms.
B.
consisted of carbon in the form of carbon dioxide.
C.
was very similar to today’s atmosphere.
D.
consisted of carbon in the form of carbon monoxide.
E.
contained nitrogen in the form of ammonia and nitrogen gas.
5 points
QUESTION 11
Rickettsias belong to which major group of bacteria?
A.
Archaea
B.
cyanobacteria
C.
spirochetes
D.
viruses
E.
Proteobacteria
5 points
QUESTION 12
The Cambrian Explosion provided a wealth of fossil remains for scientists to uncover. Many of the animals from this time period had tough skins or shells. This would
A.
make these animals more desirable to predators.
B.
be a disadvantage for these organisms and lead to their death and fossil formation.
C.
allow the animals to move into different environments easily.
D.
protect the animal from osmotic pressure.
E.
protect the animal from predators.
5 points
QUESTION 13
What is the mai.
1- The similarities in the mitochondrial DNA and some proteobacteria i.pdf
1. The similarities in the mitochondrial DNA and some proteobacteria indicate:
A. that there was a proteobacteria ancestor of eukaryotic cells.
B. proteobacteria and mitochondria are similar as a result of convergent evolution.
C. that mitochondria expelled from eukaryotic cells evolved into proteobacteria.
D. that mitochondria are likely the result of endosymbiosis of a proteobacteria and a eukaryotic
cell.
2. What makes the membranes of Archaea unique?
A. Unsaturated bonds
B. Branched lipids
C. Ester-linkages
D. Unbranched lipids
3. All but which of the following types of motion are possible for protists, but not prokaryotes?
A. flagella
B. Contractile vacuoles
C. Ciliar motion
D. Amoeboid motion
4. What gives the Radiolarans their brown color?
A. Hemoglobin
B. Endosymbiotic dinoflagellates
C. Phycoerythrin
D. Chlamydia bacteria
5. What gives the Radiolarans their brown color?
A. Hemoglobin
B. Endosymbiotic dinoflagellates
C. Phycoerythrin
D. Chlamydia bacteria.
test bank Principles of Life Digital Update, 3e by David Hillis, Mary Price, ...
test bank for students
21st Century Guidebook to Fungi - Moore, Robson, Trinci - 1 Edition.pdf
material de biología, reino fungi
Test Bank - Brock Biology of Microorganisms, Madigan, 16th edition (Madigan, ...
Test Bank - Brock Biology of Microorganisms, Madigan, 16th edition (Madigan, 2021)
https://www.stuvia.com/en-us/doc/2207047/test-bank-brock-biology-of-microorganisms-madigan-16th-edition-madigan-2021-chapter-1-34-all-chapters
Bacteria
Living material is organized in unit and microorganism were living form of microscopical size and usually unicellular in structure originally classification is unsatisfied.
1. It is widely agreed that the plant kingdom arose from A)Eumycota..pdf
1. It is widely agreed that the plant kingdom arose from A)Eumycota. B)Chrysophyta.
C)Phaeophyta. D)Rhodophyta. E)Chlorophyta.
2. A universal feature of the life cycle of plants is A)morphologically identical haploid and
diploid stages. B)genetically identical haploid and diploid stages. C)alteration of generations
between heteromorphic haploid gametophytes and diploid sporophytes. D)All of the above
E)None of the above
3. Several evolutionary adaptations to land are shared by all plants. These shared adaptations do
not include A)waxy protective coverings. B)support against gravity. C)means of taking up water
from the soil. D)protective structures for the new sporophyte. E)water transport by xylem.
4. Ferns are in which phylum? A) Lycophyta B) Anthocerophyta C) Hepatophyta D) Pterophyta
E) Bryophyta
5. The bryophytes are dependent on water for reproduction because A) sperm are passively
transported to eggs by water. B) gametogenesis only occurs when the plants are moist. C) eggs
and sperm are released into water and then unite. D) sperm must swim through water to reach
and fertilize eggs. E) None of the above
6. All plants produce __________ by mitosis and __________ by meiosis. A)spores, gametes
B)gametes, gametes C)gametes, spores D)spores, spores E)spores, gametes and spores
7. In a heterosporous life cycle, the microspore develops into the _____ gametophyte, while the
megaspore develops into the ______ gametophyte. A)female, male B)male, female C)diploid,
haploid D)haploid, diploid E)None of the above
8. Asexual reproduction in liverworts is accomplished by A)gametophytes. B)spores. C)gemmae.
D)tracheids.
9. You are walking along a roadside and find a plant with the following characteristics: very thin
waxy cuticle, stomata, simple leaves in whorls around a central stem, independent sporophyte
and gametophyte, sporangia in strobili. This plant is most likely a member of which of the
following phyla? A)Bryophyta B)Sphenophyta C)Pterophyta D)Lycophyta
10. Plants differ from algae in that only plants A)are photosynthetic. B)are multicellular.
C)possess chlorophyll. D)have multicellular embryos protected by the parent. E)are eukaryotic.
11. Which statement about the alternation of generations in plants is not true? A) The plant life
cycle is characterized by diploid and haploid forms. B)Meiosis occurs in sporangia. C)Gametes
are always produced by meiosis. D)The zygote is the first cell of the sporophyte generation.
E)The gametophyte and sporophyte differ genetically.
12. The most abundant gymnosperm phylum today is A) Cycadophyta. B) Ginkgophyta. C)
Gnetophyta. D) Coniferophyta. E) None of the above
13. Coniferous gymnosperms, such as pines, depend primarily on __________ for pollination;
thus, the plants produce large quantities of pollen that disperse over large areas during the spring.
A) insects B) birds C) water D) wind E) mammals
14. An evolutionary trend that runs throughout the plant kingdom is that the sporophyte
generation ___ and .
On the supply side- a city- state or nation's biocapacity represents t.docx
On October 31, 2024, Affleck Company's general ledger shows a cash account balance of $8 , 451 . The company's cash receipts for the month total $74 , 680 , of which $71 , 385 has been deposited in the bank. In addition, the company has written checks for $72 , 521 , of which $71 , 306 has been processed by the bank. The bank statement reveals an ending balance of $13 , 041 and includes the following items not yet recorded ty Affleck: bank service fees of $330 , note receivable collected by the bank of $6 , 800 , and interest earned on the note of $1 , 220 . After closer inspection, Affieck realizes that the bank incorrectly charged the company's account $1 , 020 for an automatic withdrawal that should have been charged to another customer's account. The bank agrees to the error. Required: 1. Prepare a bank reconciliation to calculate the correct ending balance of cash on October 31, 2024. 2. Record the necessary entries to adjust the balance for cash. Complete this question by entering your answers in the tabs below. Prepare a bank reconcliation to calculate the correct ending balance of cash on October 31, 2024. (Amounts to be deducted should be indicated with a minus sign.) Record the necessary entries to adjust the balance for cash. (If no entry is required for a transaction/event, select Required" in the first account field.) Journal entry worksheet Note: Enter debits before credits.
.
On the Internet or using academic sources- research the design of mult.docx
On November 1, 2022, the account balances of Splish Brothers Inc. were as follows. During November, the following summary transactions were completed. Nov. 8 Paid $2 , 108 for salaries due employees, of which $868 is for October salaries. 10 Received $4 , 232 cash from customers on account. 12 Received $3 , 844 cash for services performed in November. 15 Purchased equipment on account $2 , 480 , 17 Purchased supplies on account $868 . During November, the following summary transactions were completed. Nov. 8 Paid $2 , 108 for salaries due employees, of which $868 is for October salaries. 10 Received $4 , 232 cash from customers on account. 12 Received $3 , 844 cash for services performed in November. 15 Purchased equipment on account $2 , 480 . 17 Purchased supplies on account $868 . 20 Paid creditors on account $3 , 348 . 22 Paid November rent $496 . 25 Paid salaries $2 , 108 . 27 Performed services on account and billed customers $2 , 356 for these services. 29 Received $744 from customers for future service. Prepare a trial balance at November 30. (Do not list those accounts that have zero ending balance.)
.
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BRCC BIOL 121 FINAL SPRING 2015
1. E coli is a shortened name for a bacterium that lives in our gut. According to the rules of binomial nomenclature it is properly written as _______________.
a. Escherichia COLI
b. Escherichia Coli
c. Escherichia coli
d. escherichia coli
e. escherichia coli
2. What does the term “biodiversity” refer to in the field of biology?
a. Total number of species on earth
b. Genetic variation that exists within populations all of the earth’s species
c. Total number of Earth’s ecosystems
d. All of the above are correct
3. Prokaryotic cells are classified in Domain(s) _______
a. Archaea
b. Bacteria
c. Eukarya
d. Archaea and Bacteria
e. Archaea, Bacteria and Eukarya
4. (
4. The shape of this bacterium is __________ and the attachment filaments radiating out are called_________
a
. bacillus…………. flagella
b
. coccus……………cilia
c.
spirilla
…………..
pili
d
. bacillus………… pili
e
. vibrio…………….cilia
)
5. A certain bacterium can withstand heating, drying and toxic chemicals that would kill most other bacteria. This indicates that it is probably able to form a __________
a. Pseudopodia
b. Conjugation tube
c. Endospore
d. Flagellum
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(
6.What
ecological role is played by cyanobacteria ?
a. photosynthetic
producers that make sugar and pump oxygen into the atmosphere
b
. decomposers of dead leaves and dead animals
c. chemosynthetic
producers
d
pathogens of plants and animals
e. predators
of other bacteria
)
6.
7. The term phytoplankton applies to photosynthetic, microscopic floating organisms such as________
a. Protozoan ciliates and flagellates
b. Aquatic plants
c. Dinoflagellates, diatoms and some unicellular or colonial green algae
d. Macroalgae and seaweeds
e. Fungus like protists such as slime molds
8. Which of the following statements is false?
a. Most protists are aquatic.
b. Protists are eukaryotes.
c. Most protists are unicellular.
d. Protists have more complex cells than prokaryotes.
e. Photosynthetic protists are called protozoa.
9. (
9. Which of the following structures is used by amoebas to move and to eat?
a. microvilli
b. cilia
c. flagella
d. pseudopodia
e. tendrils
)
10. Into what kingdom do we place multicellular heterotrophic eukaryotes that acquire food by absorption from the environment and have cell walls made of chitin?
a. Plantae
b. Animalia
c. Protista
d. Fungi
e. Proteobacteria
11. (
11.
(See image to the left)
A
fungus surrounding a root
absorbs food from the plant
and in turn this fungus
provides water and minerals to the plant. This is a _________ relationship?
a
. parasitic
b
.
commensalistic
c
.
predatorial
d
. mutualistic
e
. competitive
)
12. (See image above). A fungus growing together with a plant root in a way that benefits both is
a(n)_______
a. Lichen
b. Epiphyte
c. Mycorrhizae
d. Hemiparasite
e. Halophyte
13. Which group shares the most recent common ancestor with land plants?
a. Fungi
b. Cyanobacteria
c. Brown algae
d. Green a ...
Lehninger principles of biochemistry 7th edition nelson test bank
Lehninger principles of biochemistry 7th edition nelson test bank
SELF-TEST Amswi each af the follimins suesions by reiecting the ene an.pdf
SELF-TEST Amswi each af the follimins suesions by reiecting the ene andwer numbered
questien can be found it Appetaix C. 1. deicribes the ability of erganians to maintain a stable
internat state- A. Metabolise (4.) Hemesatasis C. Biospher D. Ecotype E. Kooe of the above ( A
D ) is qunict. 2. Which ene of the following shrases weuld rot apply to prokagyotes? A.
Progranmed aed death B. Multicellular communtitios C. Cell-orlt communication D. Cell
cooperation D. Nucleated cells 3. Froteins are made ty the A. mitochsodris. B. byosomes. C.
Golgi apparatus. D. ribosomes, E. cytotheleton. 4. Cell wads are necessary for A. nutrient
transport regulatioet B. DNA compartmentation. C. protein tracsport. D. enetgy metabolism. 6.
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reticulum are 6. protein and tigid transport. B. cell respiration and photesgetheric. C. osmotic
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chemical energy to cellular entrgy. E. transform sundiglt into chenical energy. 8. Who is
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organisn that causes sypitilis? A. treponema B. pallidum (.) Treponeme D. pollidum E. T.
palliblum 10. Several classes of organisms would be classified into one A. family. B. genus, C.
species. D. order, (4) phylum (division)..
1 Which of the following statements best describes why deat.pdf
1. Which of the following statements best describes why death is a major event not only for the
human body but also for the resident microbes?
a. Microbial populations grow and spread to different areas of the body after the person dies.
b. Microbes in the body have fewer resources after the person dies, which increases competition.
c. All the microbes that were living inside the persons body die when the person dies.
2. Which of the following statements is true?
a. Microbial communities in and around a dead body change over time.
b. Samples taken from different dead bodies always contain the same microbes.
c. The microbial community found in a dead body is very similar to the one found in a living body.
3. What factors might contribute to a cadavers decomposition? Select all that apply.
a. skin
b. air
c. soil
d. insects What is a molecular clock?
5. Take a look at the graphs.
a) Can you say that the microbial composition changes over time in each of the body locations?
Give two pieces of evidence.
b) Why do you think the scientists also tested the soil around the cadaver?
c) The study was done with mice and their cadavers decomposed on soil graves in the University
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Paleontologists have found fossils dating back 3.6 billion years. .docx
Paleontologists have found fossils dating back 3.6 billion years. These closely resemble
A.
small invertebrate animals.
B.
nothing alive today.
C.
fungi.
D.
today’s simplest plants.
E.
blue-green algae present today.
5 points
QUESTION 2
When taxonomists classify organisms using a phylogenetic approach, they are most concerned with
A.
outgroups.
B.
cladists.
C.
ingroups.
D.
ancestral traits.
E.
derived traits.
5 points
QUESTION 3
In bacteria, the cell wall is composed mainly of
A.
various polysaccharides.
B.
peptidoglycans.
C.
proteins.
D.
glycoproteins.
E.
lipids.
5 points
QUESTION 4
Which form of bacterial cells is rod shaped?
A.
cocci
B.
vibrios
C.
spirilla
D.
rhodius
E.
Bacilli
5 points
QUESTION 5
The endosymbiont hypothesis suggests that the mitochondria of eukaryotic cells are descended from captured
A.
cyanobacteria.
B.
eukaryotic algae.
C.
chemoautotrophic bacteria.
D.
archaebacteria.
E.
aerobic bacteria.
5 points
QUESTION 6
Eukaryotic cells are thought to have
A.
evolved before prokaryotic cells.
B.
appeared about 2.1 billion years ago.
C.
first appeared with tough cell walls.
D.
first appeared as parts of multicellular organisms.
E.
developed when mitochondria grew much larger in size that they had been previously.
5 points
QUESTION 7
What term is used to indicate a characteristic that is shared and inherited from a common ancestor?
A.
analogous trait
B.
homologous trait
C.
cladistic trait
D.
outgroups
E.
derived trait
5 points
QUESTION 8
Prions are composed of
A.
DNA, RNA, and protein.
B.
protein.
C.
DNA and protein.
D.
DNA.
E.
RNA.
5 points
QUESTION 9
Of the following, which kingdom contains the most diversity in terms of DNA sequences?
A.
All of these are approximately equivalently diverse.
B.
Protista
C.
Fungi
D.
Plantae
E.
Animalia
5 points
QUESTION 10
Atmospheric chemists think that Earth’s first atmosphere
A.
contained no oxygen atoms.
B.
consisted of carbon in the form of carbon dioxide.
C.
was very similar to today’s atmosphere.
D.
consisted of carbon in the form of carbon monoxide.
E.
contained nitrogen in the form of ammonia and nitrogen gas.
5 points
QUESTION 11
Rickettsias belong to which major group of bacteria?
A.
Archaea
B.
cyanobacteria
C.
spirochetes
D.
viruses
E.
Proteobacteria
5 points
QUESTION 12
The Cambrian Explosion provided a wealth of fossil remains for scientists to uncover. Many of the animals from this time period had tough skins or shells. This would
A.
make these animals more desirable to predators.
B.
be a disadvantage for these organisms and lead to their death and fossil formation.
C.
allow the animals to move into different environments easily.
D.
protect the animal from osmotic pressure.
E.
protect the animal from predators.
5 points
QUESTION 13
What is the mai.
1- The similarities in the mitochondrial DNA and some proteobacteria i.pdf
1. The similarities in the mitochondrial DNA and some proteobacteria indicate:
A. that there was a proteobacteria ancestor of eukaryotic cells.
B. proteobacteria and mitochondria are similar as a result of convergent evolution.
C. that mitochondria expelled from eukaryotic cells evolved into proteobacteria.
D. that mitochondria are likely the result of endosymbiosis of a proteobacteria and a eukaryotic
cell.
2. What makes the membranes of Archaea unique?
A. Unsaturated bonds
B. Branched lipids
C. Ester-linkages
D. Unbranched lipids
3. All but which of the following types of motion are possible for protists, but not prokaryotes?
A. flagella
B. Contractile vacuoles
C. Ciliar motion
D. Amoeboid motion
4. What gives the Radiolarans their brown color?
A. Hemoglobin
B. Endosymbiotic dinoflagellates
C. Phycoerythrin
D. Chlamydia bacteria
5. What gives the Radiolarans their brown color?
A. Hemoglobin
B. Endosymbiotic dinoflagellates
C. Phycoerythrin
D. Chlamydia bacteria.
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Test Bank - Brock Biology of Microorganisms, Madigan, 16th edition (Madigan, 2021)
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Living material is organized in unit and microorganism were living form of microscopical size and usually unicellular in structure originally classification is unsatisfied.
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1. It is widely agreed that the plant kingdom arose from A)Eumycota. B)Chrysophyta.
C)Phaeophyta. D)Rhodophyta. E)Chlorophyta.
2. A universal feature of the life cycle of plants is A)morphologically identical haploid and
diploid stages. B)genetically identical haploid and diploid stages. C)alteration of generations
between heteromorphic haploid gametophytes and diploid sporophytes. D)All of the above
E)None of the above
3. Several evolutionary adaptations to land are shared by all plants. These shared adaptations do
not include A)waxy protective coverings. B)support against gravity. C)means of taking up water
from the soil. D)protective structures for the new sporophyte. E)water transport by xylem.
4. Ferns are in which phylum? A) Lycophyta B) Anthocerophyta C) Hepatophyta D) Pterophyta
E) Bryophyta
5. The bryophytes are dependent on water for reproduction because A) sperm are passively
transported to eggs by water. B) gametogenesis only occurs when the plants are moist. C) eggs
and sperm are released into water and then unite. D) sperm must swim through water to reach
and fertilize eggs. E) None of the above
6. All plants produce __________ by mitosis and __________ by meiosis. A)spores, gametes
B)gametes, gametes C)gametes, spores D)spores, spores E)spores, gametes and spores
7. In a heterosporous life cycle, the microspore develops into the _____ gametophyte, while the
megaspore develops into the ______ gametophyte. A)female, male B)male, female C)diploid,
haploid D)haploid, diploid E)None of the above
8. Asexual reproduction in liverworts is accomplished by A)gametophytes. B)spores. C)gemmae.
D)tracheids.
9. You are walking along a roadside and find a plant with the following characteristics: very thin
waxy cuticle, stomata, simple leaves in whorls around a central stem, independent sporophyte
and gametophyte, sporangia in strobili. This plant is most likely a member of which of the
following phyla? A)Bryophyta B)Sphenophyta C)Pterophyta D)Lycophyta
10. Plants differ from algae in that only plants A)are photosynthetic. B)are multicellular.
C)possess chlorophyll. D)have multicellular embryos protected by the parent. E)are eukaryotic.
11. Which statement about the alternation of generations in plants is not true? A) The plant life
cycle is characterized by diploid and haploid forms. B)Meiosis occurs in sporangia. C)Gametes
are always produced by meiosis. D)The zygote is the first cell of the sporophyte generation.
E)The gametophyte and sporophyte differ genetically.
12. The most abundant gymnosperm phylum today is A) Cycadophyta. B) Ginkgophyta. C)
Gnetophyta. D) Coniferophyta. E) None of the above
13. Coniferous gymnosperms, such as pines, depend primarily on __________ for pollination;
thus, the plants produce large quantities of pollen that disperse over large areas during the spring.
A) insects B) birds C) water D) wind E) mammals
14. An evolutionary trend that runs throughout the plant kingdom is that the sporophyte
generation ___ and .
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- 1. 29. Which of the following is not considered a microorganism A. mosquito B. protozoa C. bacteria D. viruses 30. The transfer of genes during bacterial conjugation involves rigid, tubular appendages called A. flagella B. cilia C. fimbriae D. pili 31. Rod shaped bacteria arranged in a chain are known as A. spirochetes B. spirilla C. streptobacilli D. coccus 32. Which of the following statements about protozoans is false? a) They are unicellular eukaryotes that demonstrate animal-like characteristics in both food consumption and motility. b) They only enter into parasitic relationships with a host. c) They have cellular features like flagella, cilia and pseudopodia that help attain food and aid movement. d) They may have complex life cycles alternating between cyst and trophozoite stages. 33. Which description(s) is(are) true of algae? a) They are all singled celled organisms. b) They are found in only saltwater habitats. c) The oxygen gas produced and exported by these photosynthetic microbes makes life possible for all organisms using aerobic respiration. d) Numerous pathogens are classified as algae. 34. Which of the following is a tenet of the Cell Theory? 1) All organisms are composed of one or more cells. 2) The cell is the structural unit of life. 3) Cells can arise only by division from a preexisting cell. 4) Cells divide only by fission. a) 1 b) 2 c) 3 d) 4 e) 1,2 and 3 35. The structure of the plasma membrane is most appropriately described as a) a thick peptidoglycan layer with lipoteichoic acid b) a phospholipid bilayer with proteins c) a semi-permeable monolayer with phosphate groups d) a thin murien layer with high amino acid content